Tokachidake no 1988--1989 funka to sono zengo no katsudō
Series: Chika Shigen Chōsajo chōsa kenkyū hōkoku -- dai 20-gō
Publisher: Hokkaidōritsu Chika Shigen Chōsajo
Published: 1991
Place of publication: Sapporo-shi
Language: jpn
Number of pages: 126
Notes: Title on p. [4] of cover: The 1988--1989 eruption of Tokachi-dake and activities before and after the eruptions.

Summary also in English.